Dr. Fidah Mohamed, Dr. Mahparah Rafiq, Dr. Mohammad Sadiq Malla, and Dr. Mohsin Farooq, “TO EVALUATE THE EFFICACY OF THE OSTAP BLOCK WITH ROPIVACAINE FOR POSTOPERATIVE ANALGESIA IN LAPAROSCOPIC CHOLECYSTECTOMY”, J Popl Ther Clin Pharmacol, vol. 32, no. 3, pp. 195–202, Apr. 2025, doi: 10.53555/2wt9y164.